/Engine/Source/Runtime/Engine/Public/Physics/Experimental/PhysScene_Chaos.h
Given a physics proxy, returns its associated body instance if any
const [FBodyInstance](API\Runtime\Engine\PhysicsEngine\FBodyInstance) * GetBodyInstanceFromProxyAndShape ( [IPhysicsProxyBase](API\Runtime\Chaos\Chaos\Framework\IPhysicsProxyBase) * InProxy, int32 InShapeIndex ) const